TY - RPRT TI - Two-dimensional time series sample entropy algorithm: Applications to rotor axis orbit feature identification AU - Huachun, Wu AU - Jian, Zhou AU - Chunhu, Xie AU - Jiyang, Zhang AU - Yiming, Huang PY - 2021 DO - 10.1016/j.ymssp.2020.107123 UR - https://www.osti.gov/biblio/2279771 ID - 2279771 ER -